Mechanical Fuse

thingiverse

I stumbled upon an intriguing concept online, so I decided to create my own version as a first designing project, with the hope that it can evolve over time. The main idea behind my "mechanical fuse" is to signal string overextension by breaking when a specific tension threshold is exceeded. The setup is straightforward; you load the fuse from alongside the string and tighten it via bolts, ensuring the string relaxes in the middle so the fuse absorbs the stress from the tension. It's designed for printing with no rafts or supports required. To scale the model, use this rule of thumb: the inner diameter (the desired diameter based on the string) is half the outside diameter (which should be the smallest dimension given by one of the axes in the slicing software). If you have any ideas for improvement or comments, please share them with me!